
9.1.2 Disturbance report settings......................................................................................................59
9.1.3 Disturbance recorder (DR).........................................................................................................59
9.1.4 Event recorder (ER) and Event list (EL)................................................................................... 60
9.2 Identifying the function to test in the technical reference manual ......................................60
9.3 Current protection.......................................................................................................................... 60
9.3.1 Instantaneous phase overcurrent protection 3-phase output PHPIOC ..........................60
9.3.1.1 Measuring the operate limit of set values...........................................................................61
9.3.1.2 Completing the test.................................................................................................................61
9.3.2 Directional phase overcurrent protection, four steps OC4PTOC...................................... 61
9.3.2.1 Verifying the settings.............................................................................................................. 61
9.3.2.2 Completing the test.................................................................................................................62
9.3.3 Instantaneous residual overcurrent protection EFPIOC .................................................... 63
9.3.3.1 Measuring the operate limit of set values.......................................................................... 63
9.3.3.2 Completing the test.................................................................................................................63
9.3.4 Four step residual overcurrent protection, (Zero sequence or negative sequence
directionality) EF4PTOC ............................................................................................................63
9.3.4.1 Four step directional earth fault protection.......................................................................63
9.3.4.2 Four step non-directional earth fault protection..............................................................64
9.3.4.3 Completing the test................................................................................................................ 64
9.3.5 Four step negative sequence overcurrent protection NS4PTOC ..................................... 64
9.3.5.1 Completing the test................................................................................................................ 65
9.3.6 Thermal overload protection, one time constant, Celsius/Fahrenheit
LCPTTR/LFPTTR.......................................................................................................................... 65
9.3.6.1 Measuring the operate and time limit of set values......................................................... 65
9.3.6.2 Completing the test................................................................................................................ 66
9.3.7 Breaker failure protection, phase segregated activation and output CCRBRF..............66
9.3.7.1 Checking the phase current operate value,
IP>
................................................................. 66
9.3.7.2 Checking the residual (earth fault) current operate value
IN>
set below
IP>
.............. 67
9.3.7.3 Checking the re-trip and back-up times..............................................................................67
9.3.7.4 Verifying the re-trip mode......................................................................................................67
9.3.7.5 Verifying the back-up trip mode...........................................................................................68
9.3.7.6 Verifying instantaneous back-up trip at CB faulty condition......................................... 69
9.3.7.7 Verifying the case
RetripMode
=
Contact
........................................................................... 69
9.3.7.8 Verifying the function mode
Current/Contact
...................................................................69
9.3.7.9 Completing the test.................................................................................................................70
9.3.8 Stub protection STBPTOC......................................................................................................... 70
9.3.8.1 Measuring the operate limit of set values.......................................................................... 70
9.3.8.2 Completing the test.................................................................................................................70
9.3.9 Broken conductor check BRCPTOC ......................................................................................... 71
9.3.9.1 Measuring the operate and time limit of set values..........................................................71
9.3.9.2 Completing the test................................................................................................................. 71
9.4 Voltage protection........................................................................................................................... 71
9.4.1 Two step undervoltage protection UV2PTUV ....................................................................... 71
9.4.1.1 Verifying the settings.............................................................................................................. 71
9.4.1.2 Completing the test.................................................................................................................72
9.4.2 Two step overvoltage protection OV2PTOV ......................................................................... 73
Table of contents
Breaker protection REQ650 3
Commissioning manual
© Copyright 2017 ABB. All rights reserved